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On a band brake mechanism, the distance, expressed in degrees, that the brake band wraps around the brake flange.

Related Terms

MECHANICAL EFFICIENCY

In an engine, the ratio of brake horsepower to indicated horsepower.

MASTER CYLINDER

The container for the fluid and the piston, forming part of a device such as a hydraulic brake or clutch.

MAGNETIC BRAKE

A friction brake under the control of an electromagnet.

INTERNAL BRAKE

A friction brake in which an internal shoe follows the inner surface of the rotating brake drum, wedging itself between the drum and the point at which it is anchored; used in motor vehicles.

INERT RETARDER

A braking device built into a railroad track and operating without an external source of power that reduces car speed by means of brake shoes applied to the lower sides of the wheels.

HYDRAULIC BRAKE

A brake in which the retarding force is applied through the action of a hydraulic press.

HOIST OVERWIND DEVICE

A device which can activate an emergency brake when a hoisted load travels beyond a predetermined point into a danger zone.

HOIST OVERSPEED DEVICE

A device used to prevent a hoist from operating at speeds greater than predetermined values by activating an emergency brake when the predetermined speed is exceeded.

BHP

Brake horsepower - a unit of power, numerically equivalent to a rate of 33,000 foot-pounds of work per minute. The measure of an engine's horsepower without the loss in power caused by the gearbox, generator, differential, water pump, and other auxiliary components such as alternator, power steering pump, muffled exhaust system, etc.

BRAKE

An appliance used to stop rotation of unit's shaft or unit movement .

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